1100 0 aluminum sheet
1100 O aluminum sheet is the annealed temper of 1100 aluminum alloy, featuring excellent ductility and outstanding formability.
Due to its superior ductility and formability, 1100 O aluminum sheet is favored in applications that require good machinability and corrosion resistance. Although it has relatively low strength, it is widely used in the food packaging, electrical, construction, and automotive industries, making it a very important material.
1100 aluminum sheet is a commercially pure aluminum alloy with an aluminum content of at least 99.0%. It is known for its excellent formability, corrosion resistance, as well as high electrical and thermal conductivity, and is widely used in various fields.
1100-O aluminum sheet is a soft-temper aluminum sheet based on industrial pure aluminum, obtained through annealing treatment (O temper).
1100-O aluminum belongs to the 1xxx series. The "O" temper indicates the annealed (fully softened) condition, which maximizes ductility and formability at the expense of strength.
What is 1100 O aluminum?
1100-O aluminum refers to the "O" (annealed) state of 1100 aluminum alloy. The "O" state indicates that the alloy has been heat-treated to a specific temperature and then slowly cooled to relieve internal stresses, giving it high plasticity and making it easier to process. Compared to other states of 1100 aluminum, this process enhances its formability but reduces its strength.
1100 O Aluminum Sheet Specifications
- Standards: Complies with ASTM B209, AMS 4001, and EN 573-3 standards.
- Dimensions: Thickness typically ranges from 0.001 inches (0.025 mm) to 0.25 inches (6.35 mm), with customizable width and length.
- Surface Treatment: Typically anodized, painted, or coated to enhance aesthetics and corrosion resistance.
1100-O Sheet Standards
1100 aluminum alloy complies with various industry standards, including:
- ASTM B209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.
- ASTM B210: Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes for Condensers and Heat Exchangers.
- ASTM B211: Standard Specification for Aluminum and Aluminum-Alloy Rolled or Cold Finished Bar, Rod, and Wire.
These standards ensure that the material meets specific requirements. Its mechanical and chemical properties are suitable for various applications.
1100 O aluminum alloy composition
1100-O aluminum sheet belongs to the 1100 series of aluminum alloys, with the main component being pure aluminum, typically containing 99% or higher aluminum content. The 1100 aluminum alloy is known for its excellent corrosion resistance, electrical conductivity, and thermal conductivity.
| Alloy | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Others-Each | Others Total | Al Min |
| 1100 | 0.9 | 0.05-0.20 | 0.05 | – | – | 0.10 | – | 0.05 | 0.15 | 99.00 | |
1100 o aluminum sheet mechanical property limits
| Material | Temper | Tensile Strength ksi | Yield Strength (ksi min) | Elongation % in 2"0.064" Sheet | Min 90° Cold Bend Radius for .064 " Thick |
| 1100 | 1100-0 | 11-15.5 | 3.5 | 30 | 0 |
| 1100 | 1100-H12 | 14-19 | 11 | 8 | 0 |
| 1100 | 1100-H14 | 16-21 | 14 | 5 | 0 |
| 1100 | 1100-H16 | 19-24 | 17 | 4 | 0.1T |
| 1100 | 1100-H18 | 22 (min) | - | 4 | 1-2T |
1100 O Aluminum Sheet Thermal and Electrical Properties
- Thermal Conductivity: 220–222 W/m·K, ideal for heat exchangers, heat sinks, and cookware.
- Melting Range: 640–660°C (1190–1215°F).
- Electrical Conductivity: 59% IACS (International Annealed Copper Standard), suitable for non-critical electrical components.
1100 O Aluminum Product Forms
| Product Form | Description |
| Cold Rolled Aluminum 1100-O Strip | Cold rolled 1100-O aluminum strip is a thin and flat aluminum alloy product manufactured by the cold rolling process. It has a smooth surface and precise thickness. The "O" state indicates the material has been annealed to improve its machinability and is commonly used in applications requiring high formability, such as decoration, food packaging, and electrical components. |
| 1100-0 Aluminum Coil | 1100-O aluminum coil is made from 1100 aluminum alloy and is annealed to a soft state, providing a uniform smooth surface. This aluminum coil is widely used in applications requiring excellent corrosion resistance and light weight, such as kitchen utensils, heat exchangers, roofing materials, etc. |
| 1100-0 Aluminum Plate | 1100-O aluminum plate is an aluminum alloy sheet with excellent formability and high corrosion resistance. It is commonly used in applications requiring flexibility and good machinability, such as aerospace, food containers, and decorative products. |
| 1100-O Aluminum Foil | 1100-O aluminum foil is an extremely thin and flexible aluminum alloy sheet with excellent corrosion resistance and outstanding formability. It is widely used in packaging, insulation, and certain electrical applications, particularly suited for food packaging and protection fields. |
Typical surface of 1100 o aluminum sheet
| Product | Description | Applications |
| 1100-O Bright Aluminum | The bright finish on 1100-O aluminum is achieved through polishing or mechanical treatments, resulting in a high-reflectivity, glossy surface. This finish provides a smooth, shiny appearance, commonly used in decorative applications such as automotive parts, building elements, and architectural facades, where a high-gloss aesthetic and strong visual impact are required. | Used in decorative applications such as automotive parts, building elements, and architectural facades, where a high-gloss aesthetic and visual impact are essential. |
| 1100-O Polished Aluminum | 1100-O aluminum with a polished finish is created by finely polishing the material to eliminate surface imperfections and enhance its gloss. The smooth, reflective surface is ideal for high-end consumer products and decorative panels, particularly in applications needing a mirror-like effect or superior appearance, such as luxury goods and premium packaging. | Common in high-end consumer products, luxury goods, premium packaging, and decorative panels, particularly when a mirror-like effect or superior appearance is needed. |
| 1100-O Checkered Aluminum | 1100-O aluminum with a checkered pattern features raised diamond-shaped or similar designs, which not only add aesthetic value but also improve traction. This finish is commonly used in environments where anti-slip properties and durability are essential, such as on floors, walkways, and industrial or transport applications, providing better friction and safety in high-traffic areas. | Ideal for flooring, walkways, industrial areas, and transport applications, where anti-slip properties, durability, and safety are necessary. |
| 1100-O Embossed Aluminum | 1100-O aluminum with an embossed finish is created by pressing raised patterns or designs into the material, producing a three-dimensional effect. This surface offers both visual appeal and tactile uniqueness, making it ideal for decorative panels, architectural elements, and branding purposes, where texture and design play a key role in enhancing product identity. | Used for decorative panels, architectural elements, and branding, where texture and design are essential for visual and tactile appeal, as well as brand identity. |
1100 O Aluminum Sheet Properties
Annealed State (O): In the O state, 1100 aluminum sheet is subjected to an annealing process (heating to a specific temperature and then slowly cooling) to relieve internal stresses, further enhancing its plasticity and ductility, and improving its machinability.
1100 O Aluminum Sheet Physical and Mechanical Properties
- Ductility and Formability: The greatest advantage of 1100-O aluminum sheet is its excellent ductility and machinability. In the O state, its low hardness and high plasticity make it particularly suitable for processing that requires high deformation, such as deep drawing and coiling.
- Strength and Hardness: Compared to other aluminum alloy variants, 1100-O aluminum has lower strength, which is one reason for its better ductility. Its yield strength and tensile strength are generally lower, but these sacrificed strengths provide better formability and ease of processing.
- Corrosion Resistance: 1100-O aluminum sheet has excellent corrosion resistance, especially in humid and corrosive environments. Its high-purity aluminum content effectively resists the corrosion of most corrosive agents.
- Electrical Conductivity: 1100 aluminum sheet has good electrical conductivity and is a material commonly used in the electrical industry, particularly in applications requiring high electrical conductivity.
1100 O Aluminum Sheet Machining Properties
- Weldability: 1100-O aluminum sheet has excellent weldability and is suitable for various welding methods, including TIG (tungsten inert gas) welding and spot welding. However, due to its lower strength, it is not as suitable for structural applications that require high load-bearing capacity compared to other higher-strength aluminum alloys.
- Forming and Cutting: Due to its good ductility, 1100-O aluminum sheet is easy to machine with various processes such as stamping, rolling, cutting, bending, and curling. It is commonly used to manufacture parts with complex shapes, such as aluminum containers, packaging materials, and decorative components.
1100 O Aluminum Applications
- Food and Beverage Industry: Due to its corrosion resistance and good machinability, 1100-O aluminum sheet is widely used in the production of food packaging, beverage cans, and other products, especially where deep processing or surface decoration is required.
- Chemical Industry: 1100-O aluminum sheet, with its excellent corrosion resistance, is commonly used in the chemical industry, such as in the production of chemical reaction vessels, pipelines, and equipment housings.
- Construction and Decoration: Due to its high gloss and good appearance, 1100-O aluminum sheet is also commonly used in the manufacture of architectural decorations, window frames, door frames, and more.
- Electrical Industry: 1100-O aluminum sheet also has applications in the electrical industry, especially in components that require good electrical conductivity, such as cable conductors and electrical connectors.
- Automotive and Transportation Industry: Due to its lower weight and ease of machining, 1100-O aluminum sheet is also used in the automotive and transportation fields, particularly in body components and interior materials.
| Application Field | Specific Application Scenarios | Related Properties |
| Chemical and Food Processing | Chemical storage tanks, pipelines, reactor linings; food processing equipment (storage and handling containers) | Corrosion resistance |
| Thermal Management and Heat Transfer Systems | Heat exchanger fins, radiator fins; heat insulation plates; transformer cooling fins | High thermal conductivity |
| Electronics and Electrical Field | Busbars, conductors (less conductive than copper); electronic device heat sinks, transformer components | High thermal conductivity, electrical conductivity |
| Formed and Deep Drawn Products | Cookware (pots, food containers, bottle caps); spun hollow vessels (lighting fixtures, decorative vessels) | High formability, deep draw capability |
| Architectural and Decorative Materials | Nameplates, reflective panels, signs; architectural curtain wall panels, roofing materials; vehicle interior panels (buses), engine compartment covers | Corrosion resistance, surface treatment compatibility, formability |
| Other Industrial Applications | Lightweight mechanical parts (where corrosion resistance or ease of forming is required) | Corrosion resistance, suitability for low-strength structures |
1100 O Aluminum Sheet Formability and Workability
- Cold Working: Easily bent, stamped, or rolled without heat treatment. Cold working can increase strength but reduces ductility.
- Welding: Compatible with TIG, MIG, and resistance welding methods.
- Machining: Its softness makes it easy to machine, though sharp tools may be required to avoid sticking.
1100 O Aluminum Advantages and Disadvantages
Advantages of 1100 O Aluminum
- Excellent ductility and formability, suitable for complex shape processing.
- Outstanding corrosion resistance, suitable for use in harsh environments.
- Good electrical conductivity, ideal for electrical applications.
- Easy to weld and process, suitable for mass production.
Disadvantages of 1100 O Aluminum
- Low strength and hardness, not suitable for structural applications that bear high-intensity loads.
- Not suitable for use in environments with high pressure or high-impact forces.
- Non-heat treatable: Mechanical properties are mainly enhanced through cold working rather than heat treatment.
1100-O aluminum sheet is highly regarded for its exceptional ductility, corrosion resistance, and thermal/electrical conductivity. Its annealed state ("O temper") makes it ideal for complex forming and bending applications, though its strength is lower compared to harder alloys. Common uses include cookware, heat exchangers, and architectural components, available in various sizes and compliant with international standards.
1100 O Aluminum Sheet Selection Comparison
Price Factors
Price is affected by thickness (commonly 0.3–3.0mm), specifications, and surface treatment processes. Annealed (O) temper generally costs slightly more than hard (H) temper.
Differences from 3003 Aluminum Sheet
- Strength: 1100-O has lower strength than 3003-H24, but offers better ductility.
- Corrosion Resistance: 1100-O, with higher purity, offers better corrosion resistance than manganese-containing 3003 alloy.
1100 aluminum sheet is a versatile material known for its excellent formability, corrosion resistance, and conductivity, suitable for a wide range of applications across different industries.
Popular 1100 o Aluminum Sheet stock sizes
| Description | Temper | Thickness (in) | Width (in) | Length (in) |
| 0.032" 1100 O Aluminum Sheet 12 × 24 | O | 0.032" | 12" | 24" |
| 0.025" 1100 O Aluminum Sheet 24 × 48 | O | 0.025" | 24" | 48" |
| 0.025" 1100 O Aluminum Sheet 48 × 144 | O | 0.025" | 48" | 144" |
| 0.032" 1100 O Aluminum Sheet 12 × 24 | O | 0.032" | 12" | 24" |
| 0.032" 1100 O Aluminum Sheet 24 × 48 | O | 0.032" | 24" | 48" |
| 0.032" 1100 O Aluminum Sheet 48 × 144 | O | 0.032" | 48" | 144" |
| 0.04" 1100 O Aluminum Sheet 12 × 24 | O | 0.04" | 12" | 24" |
| 0.04" 1100 O Aluminum Sheet 24 × 48 | O | 0.04" | 24" | 48" |
| 0.04" 1100 O Aluminum Sheet 48 × 144 | O | 0.04" | 48" | 144" |
| 0.05" 1100 O Aluminum Sheet 12 × 24 | O | 0.05" | 12" | 24" |
| 0.05" 1100 O Aluminum Sheet 24 × 48 | O | 0.05" | 24" | 48" |
| 0.05" 1100 O Aluminum Sheet 48 × 144 | O | 0.05" | 48" | 144" |
| 0.063" 1100 O Aluminum Sheet 12 × 24 | O | 0.063" | 12" | 24" |
| 0.063" 1100 O Aluminum Sheet 24 × 48 | O | 0.063" | 24" | 48" |
| 0.063" 1100 O Aluminum Sheet 48 × 144 | O | 0.063" | 48" | 144" |
| 0.08" 1100 O Aluminum Sheet 12 × 24 | O | 0.08" | 12" | 24" |
| 0.08" 1100 O Aluminum Sheet 24 × 48 | O | 0.08" | 24" | 48" |
| 0.08" 1100 O Aluminum Sheet 48 × 144 | O | 0.08" | 48" | 144" |
| 0.09" 1100 O Aluminum Sheet 12 × 24 | O | 0.09" | 12" | 24" |
| 0.09" 1100 O Aluminum Sheet 24 × 48 | O | 0.09" | 24" | 48" |
| 0.09" 1100 O Aluminum Sheet 48 × 144 | O | 0.09" | 48" | 144" |
| 0.125" 1100 O Aluminum Sheet 12 × 24 | O | 0.125" | 12" | 24" |
| 0.125" 1100 O Aluminum Sheet 24 × 48 | O | 0.125" | 24" | 48" |
| 0.125" 1100 O Aluminum Sheet 48 × 144 | O | 0.125" | 48" | 144" |
| 0.19" 1100 O Aluminum Sheet 12 × 24 | O | 0.19" | 12" | 24" |
| 0.19" 1100 O Aluminum Sheet 24 × 48 | O | 0.19" | 24" | 48" |
| 0.19" 1100 O Aluminum Sheet 48 × 144 | O | 0.19" | 48" | 144" |
| 0.249" 1100 O Aluminum Sheet 12 × 24 | O | 0.249" | 12" | 24" |
| 0.249" 1100 O Aluminum Sheet 24 × 48 | O | 0.249" | 24" | 48" |
| 0.249" 1100 O Aluminum Sheet 48 × 144 | O | 0.249" | 48" | 144" |
What is 1100 Aluminium used for?
1100 aluminum is one of the most widely used alloys, offering excellent forming capabilities, especially in the fully soft annealed state. It is suitable for applications requiring bending, spinning, stretching, stamping, and rolling. It has good thermal conductivity and is commonly used in heat exchangers and radiators in electrical applications.
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